Product
Samsung Galaxy M51
Samsung Galaxy M51
Samsung Galaxy A33 5G
Samsung Galaxy A33 5G
Battery
Charging 25W wired, 100% in 115 minReverse wired 25W wired
Type Li-Po 7000 mAh Li-Po 5000 mAh
Body
Build Glass front (Gorilla Glass 3+), plastic back, plastic frame Glass front (Gorilla Glass 5), plastic frame, plastic back
Dimensions 163.9 x 76.3 x 9.5 mm (6.45 x 3.00 x 0.37 in) 159.7 x 74 x 8.1 mm (6.29 x 2.91 x 0.32 in)
SIM Nano-SIM + Nano-SIM Nano-SIMNano-SIM + Nano-SIM
Weight 213 g (7.51 oz) 186 g (6.56 oz)
  - IP67 dust/water resistant (up to 1m for 30 min)
Comms
Bluetooth 5.0, A2DP, LE 5.1, A2DP, LE
NFC Yes Yes (market/region dependent)
Positioning GPS, GLONASS, GALILEO, BDS GPS, GLONASS, GALILEO, BDS
Radio FM radio, RDS No
USB USB Type-C 2.0, OTG USB Type-C 2.0, OTG
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Display
Protection Corning Gorilla Glass 3+ Corning Gorilla Glass 5
Resolution 1080 x 2400 pixels, 20:9 ratio (~393 ppi density) 1080 x 2400 pixels, 20:9 ratio (~411 ppi density)
Size 6.7 inches, 108.4 cm2 (~86.7% screen-to-body ratio) 6.4 inches, 98.9 cm2 (~83.7% screen-to-body ratio)
Type Super AMOLED Plus Super AMOLED, 90Hz
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass Fingerprint (under display, optical), accelerometer, gyro, compass
  - Virtual proximity sensing
Launch
Announced 2020, August 31 2022, March 17
Status Available. Released 2020, September 11 Available. Released 2022, April 20
Main Camera
Features LED flash, panorama, HDR LED flash, panorama, HDR
Quad 64 MP, f/1.8, 26mm (wide), 1/1.73", 0.8µm, PDAF12 MP, f/2.2, 123˚ (ultrawide)5 MP, f/2.4, (macro)5 MP, f/2.4, (depth) 48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF, OIS 8 MP, f/2.2, 123˚, (ultrawide), 1/4.0", 1.12µm 5 MP, f/2.4, (macro) 2 MP, f/2.4, (depth)
Video 4K@30fps, 1080p@30fps 4K@30fps, 1080p@30/60fps
Memory
Card slot microSDXC (dedicated slot) microSDXC (uses shared SIM slot)
Internal 128GB 6GB RAM, 128GB 8GB RAM 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
Misc
Colors Celestial Black, Electric Blue, White Black, White, Blue, Peach
Models SM-M515F, SM-M515F/DSN SM-A336E, SM-A336B, SM-A336B/DS, SM-A336B/DSN, SM-A336E/DS, SM-A336M, SM-A3360
SAR 1.38 W/kg (head)     0.35 W/kg (head)    
SAR EU 0.61 W/kg (head)     1.45 W/kg (body)     0.57 W/kg (head)     1.59 W/kg (body)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 38, 40, 41, 66 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 32, 38, 40, 41, 66
5G bands - 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 78 SA/NSA/Sub6
Speed HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 400/50 Mbps HSPA, LTE, 5G
Technology GSM / HSPA / LTE GSM / HSPA / LTE / 5G
Platform
Chipset Qualcomm SDM730 Snapdragon 730G (8 nm) Exynos 1280 (5 nm)
CPU Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver) Octa-core (2x2.4 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55)
GPU Adreno 618 Mali-G68
OS Android 10, upgradable to Android 12, One UI 4.1 Android 12, up to 4 major Android upgrades, One UI 6.1
Selfie camera
Features HDR -
Single 32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm 13 MP, f/2.2, (wide), 1/3.1", 1.12µm
Video 4K@30fps, 1080p@30fps 4K@30fps, 1080p@30fps
Sound
3.5mm jack Yes No
Loudspeaker Yes Yes, with stereo speakers
Tests
Battery (old) Endurance rating 156h Endurance rating 104h
Camera Photo / Video Photo / Video
Display 677 nits max brightness (measured) 728 nits max brightness (measured)
Loudspeaker -28.5 LUFS (Average) -26.5 LUFS (Good)
Performance AnTuTu: 266620 (v8)GeekBench: 1774 (v5.1)GFXBench: 15fps (ES 3.1 onscreen) AnTuTu: 354420 (v8), 394918 (v9) GeekBench: 1900 (v5.1) GFXBench: 20fps (ES 3.1 onscreen)